Underground cosmic-ray experiment EMMA

被引:3
|
作者
Kuusiniemi, P. [1 ]
Bezrukov, L. [2 ]
Enqvist, T. [1 ]
Fynbo, H. [3 ]
Inzhechik, L. [2 ,4 ]
Joutsenvaara, J. [1 ]
Kalliokoski, T. [5 ]
Loo, K. [5 ]
Lubsandorzhiev, B. [2 ]
Monto, T. [5 ]
Petkov, V. [2 ]
Raiha, T. [1 ]
Sarkamo, J. [1 ]
Slupecki, M. [1 ]
Trzaska, W. H. [5 ]
Virkajarvi, A. [1 ]
机构
[1] Univ Oulu, Oulu So Inst, Oulu, Finland
[2] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia
[3] Univ Aarhus, Dept Phys & Astron, DK-8000 Aarhus C, Denmark
[4] Moscow Inst Phys & Technol, Moscow, Russia
[5] Univ Jyvaskyla, Dept Phys, SF-40351 Jyvaskyla, Finland
基金
芬兰科学院;
关键词
D O I
10.1088/1742-6596/409/1/012067
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
EMMA (Experiment with MultiMuon Array) is a new approach to study the composition of cosmic rays at the knee region (1 - 10 PeV). The array will measure the multiplicity and lateral distribution of the high-energy muon component of an air shower and its arrival direction on an event-by-event basis. The array operates in the Pyhasalmi Mine, Finland, at a depth of 75 metres (or 210 m.w.e) corresponding to the cut-off energy of approximately 50 GeV for vertical muons. The data recording with a partial array has started and preliminary results of the first test runs are presented.
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页数:4
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